CDSR Series
CDSR is a leakage current sensor developed to meet market demand for a residential and commercial charging station, offering a version for single-phase architecture and another for three-phase topology. With a maximum current per phase of 32A rms, the CDSR can be integrated into AC chargers from 3.7 kW to 22kW.
CDSR 0.07-TP / -NP

MAIN CHARACTERISTICS:
- RCD type B measuring levels
- Fluxgate Open loop current sensor
- Voltage and SPI digital output
- Single supply voltage 3.3 V
- PCB mounting
- Very low error at small currents measurement
- High overload capability
- High insulation capability
- Test winding.
FEATURES:
- Primary current 32 A RMS
- 150 ± mA AC and DC measuring range
- ±0.5 mA accuracy at 5 mA AC and DC
- Dual output with digital com. (SPI) and Analog
- Test winding
- < 50 mA current consumption at 3.3V
- -40°C to 85°C operating temperature
- DC to 2kHz Bandwidth
- 8 mm Creepage and Clearance distances Prim. / Sec.
- PD2 OVC2 (TP) /OVC3 (NP) 300 V UL 840, 4000 m
- Ratiometric and differential output signal
- IEC 62752 / 62955 / 61851-1 / UL 2231-1,2
Typical applications
CDSR Series - Download & Technical characteristics
Product | Document | Standard | Max primary current (ARMS) | Leakage Measuring Range (ADC) | Bandwidth (Hz) | Output |
---|---|---|---|---|---|---|
CDSR-NP | IEC 62955, IEC 62752, UL 2231, IEC 61851-1 | 32Arms per phase 3P+N | ±150 mA AC & DC | 2 kHz |
SPI & Analog output |
|
CDSR-TP | IEC 62955, IEC 62752, UL 2231, IEC 61851-1 | 32Arms per phase P+N | ±150 mA AC & DC | 2 kHz | SPI & Analog output |
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